<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        // 数值数字类型
        var age = 25;

        // 字符串类型
        var name = "John";
        var name2 = '司法鉴定积分';

        // 布尔类型
        var isMarried = true;
        var isSingle = false;

        //对象类型
        var user = {
            name: "Alice",
            age: 30,
            isEmployed: true
        }

    </script>
</body>
</html>